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ip6_misc.h

/*
 * Copyright (c) 1993, 1994, 1997
 *    The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that: (1) source code distributions
 * retain the above copyright notice and this paragraph in its entirety, (2)
 * distributions including binary code include the above copyright notice and
 * this paragraph in its entirety in the documentation or other materials
 * provided with the distribution, and (3) all advertising materials mentioning
 * features or use of this software display the following acknowledgement:
 * ``This product includes software developed by the University of California,
 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
 * the University nor the names of its contributors may be used to endorse
 * or promote products derived from this software without specific prior
 * written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * @(#) $Header: /tcpdump/master/libpcap/Win32/Include/ip6_misc.h,v 1.4 2004/07/06 23:45:29 risso Exp $ (LBL)
 */

/*
 * This file contains a collage of declarations for IPv6 from FreeBSD not present in Windows
 */

#include <winsock2.h>

#define     IN_MULTICAST(a)         IN_CLASSD(a)

#define     IN_EXPERIMENTAL(a)      ((((u_int32_t) (a)) & 0xf0000000) == 0xf0000000)

#define     IN_LOOPBACKNET          127

#ifdef __MINGW32__
/* IPv6 address */
struct in6_addr
  {
    union
      {
      u_int8_t          u6_addr8[16];
      u_int16_t   u6_addr16[8];
      u_int32_t   u6_addr32[4];
      } in6_u;
#define s6_addr               in6_u.u6_addr8
#define s6_addr16       in6_u.u6_addr16
#define s6_addr32       in6_u.u6_addr32
#define s6_addr64       in6_u.u6_addr64
  };

#define IN6ADDR_ANY_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
#endif /* __MINGW32__ */


#if (defined WIN32) || (defined __MINGW32__)
typedef unsigned short  sa_family_t;
#endif


#ifdef __MINGW32__

#define     __SOCKADDR_COMMON(sa_prefix) \
  sa_family_t sa_prefix##family

/* Ditto, for IPv6.  */
struct sockaddr_in6
  {
    __SOCKADDR_COMMON (sin6_);
    u_int16_t sin6_port;            /* Transport layer port # */
    u_int32_t sin6_flowinfo;  /* IPv6 flow information */
    struct in6_addr sin6_addr;      /* IPv6 address */
  };

#define IN6_IS_ADDR_V4MAPPED(a) \
      ((((u_int32_t *) (a))[0] == 0) && (((u_int32_t *) (a))[1] == 0) && \
       (((u_int32_t *) (a))[2] == htonl (0xffff)))

#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)

#define IN6_IS_ADDR_LINKLOCAL(a) \
      ((((u_int32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))

#define IN6_IS_ADDR_LOOPBACK(a) \
      (((u_int32_t *) (a))[0] == 0 && ((u_int32_t *) (a))[1] == 0 && \
       ((u_int32_t *) (a))[2] == 0 && ((u_int32_t *) (a))[3] == htonl (1))
#endif /* __MINGW32__ */

#define ip6_vfc   ip6_ctlun.ip6_un2_vfc
#define ip6_flow  ip6_ctlun.ip6_un1.ip6_un1_flow
#define ip6_plen  ip6_ctlun.ip6_un1.ip6_un1_plen
#define ip6_nxt   ip6_ctlun.ip6_un1.ip6_un1_nxt
#define ip6_hlim  ip6_ctlun.ip6_un1.ip6_un1_hlim
#define ip6_hops  ip6_ctlun.ip6_un1.ip6_un1_hlim

#define nd_rd_type               nd_rd_hdr.icmp6_type
#define nd_rd_code               nd_rd_hdr.icmp6_code
#define nd_rd_cksum              nd_rd_hdr.icmp6_cksum
#define nd_rd_reserved           nd_rd_hdr.icmp6_data32[0]

/*
 *    IPV6 extension headers
 */
#define IPPROTO_HOPOPTS       0     /* IPv6 hop-by-hop options    */
#define IPPROTO_IPV6          41  /* IPv6 header.  */
#define IPPROTO_ROUTING       43    /* IPv6 routing header        */
#define IPPROTO_FRAGMENT      44    /* IPv6 fragmentation header  */
#define IPPROTO_ESP           50    /* encapsulating security payload */
#define IPPROTO_AH            51    /* authentication header      */
#define IPPROTO_ICMPV6        58    /* ICMPv6               */
#define IPPROTO_NONE          59    /* IPv6 no next header        */
#define IPPROTO_DSTOPTS       60    /* IPv6 destination options   */
#define IPPROTO_PIM                 103 /* Protocol Independent Multicast.  */

#define      IPV6_RTHDR_TYPE_0 0

/* Option types and related macros */
#define IP6OPT_PAD1           0x00  /* 00 0 00000 */
#define IP6OPT_PADN           0x01  /* 00 0 00001 */
#define IP6OPT_JUMBO          0xC2  /* 11 0 00010 = 194 */
#define IP6OPT_JUMBO_LEN      6
#define IP6OPT_ROUTER_ALERT   0x05  /* 00 0 00101 */

#define IP6OPT_RTALERT_LEN    4
#define IP6OPT_RTALERT_MLD    0     /* Datagram contains an MLD message */
#define IP6OPT_RTALERT_RSVP   1     /* Datagram contains an RSVP message */
#define IP6OPT_RTALERT_ACTNET 2     /* contains an Active Networks msg */
#define IP6OPT_MINLEN         2

#define IP6OPT_BINDING_UPDATE 0xc6  /* 11 0 00110 */
#define IP6OPT_BINDING_ACK    0x07  /* 00 0 00111 */
#define IP6OPT_BINDING_REQ    0x08  /* 00 0 01000 */
#define IP6OPT_HOME_ADDRESS   0xc9  /* 11 0 01001 */
#define IP6OPT_EID            0x8a  /* 10 0 01010 */

#define IP6OPT_TYPE(o)        ((o) & 0xC0)
#define IP6OPT_TYPE_SKIP      0x00
#define IP6OPT_TYPE_DISCARD   0x40
#define IP6OPT_TYPE_FORCEICMP 0x80
#define IP6OPT_TYPE_ICMP      0xC0

#define IP6OPT_MUTABLE        0x20


#ifdef __MINGW32__
#ifndef EAI_ADDRFAMILY
struct addrinfo {
      int   ai_flags;   /* AI_PASSIVE, AI_CANONNAME */
      int   ai_family;  /* PF_xxx */
      int   ai_socktype;      /* SOCK_xxx */
      int   ai_protocol;      /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
      size_t      ai_addrlen; /* length of ai_addr */
      char  *ai_canonname;    /* canonical name for hostname */
      struct sockaddr *ai_addr;     /* binary address */
      struct addrinfo *ai_next;     /* next structure in linked list */
};
#endif
#endif /* __MINGW32__ */

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